INVT Goodrive300-01A Series Operation Manual page 61

Goodrive300-01A series VFD for air compressor
Function
Name
code
P09.04 Proportional gain (Kp)
P09.05 Integral time (Ti)
P09.06 Differential time (Td)
Description
feedback signal is larger than PID reference,
which requires the VFD output frequency to
increase to balance PID, e.g. tension PID
control of unwinding.
It determines the regulation intensity of the
whole PID regulator, the larger the P is, the
stronger the regulation intensity is. if this
parameter is 100, it means the regulation
amplitude made
command by the
(ignoring integral and differential actions) is
the max. frequency (P00.03) when the
deviation between PID feedback quantity and
reference quantity is 100%.
Setting range: 0.00–100.00
It determines the speed of integral regulation
made on the deviation between PID feedback
quantity and reference quantity by PID
regulator. When the deviation between PID
feedback quantity and reference quantity is
100%, the regulation
proportional and
integral regulator can reach max. output
frequency (P00.03)
regulation in the time set by P09.05.
The shorter the integral time, the stronger the
regulation intensity.
Setting range: 0.00–10.00s
It determines the intensity of variation
regulation made on the deviation between
PID feedback quantity and reference quantity
by PID regulator. If the feedback quantity
changes by 100% during the time set by
P09.06, the regulation quantity of differential
regulator (ignoring proportional and integral
actions) is the max.
(P00.03).
The longer the differential time, the stronger
the regulation intensity.
-56-
Function code description
on output frequency
proportional regulator
quantity (ignoring
differential actions)
through continuous
output frequency
Default Modify
○
10.00
○
of 2.00s
○
1.00s